Found using John Chamber's tune finder:

X: 1
T:The Ross Memorial Hospital
R:Air
C:Phil Cunningham
M:C
L:1/4
K:D
A| f3/2 g/2 e3/2 d/4c/4| d D F A | B3/2 A/4G/4 A D |
G3 A | f3/2 g/2 e3/2 d/4c/4 | d D F A | B G c/2 d e/4f/4|
d3 A | f3/2 g/2 e3/2 d/4c/4| d D F A | B3/2 A/4G/4 A D | G3 A/2G/2 |
F A c/2 d e/4f/4 | d D F A | B G c/2 d e/4f/4| d3 ||
e/2f/2| g3/2 f/2 B3/2 c/2 | d3/2 c/2 A D | B3/2 A/4G/4 A D | G3 e/2f/2 |
g3/2 f/2 B3/2 c/2 | d3/2 c/2 A D | B G c/2 d e/4f/4 | d3 e/2f/2|
g3/2 f/2 B3/2 c/2 | d3/2 c/2 A D | B3/2 A/4G/4 A D | G3 A/2G/2 |
F A c/2 d e/4f/4 | d D F A | B G c/2 d e/4f/4| d3 ||

Our abc converter is one Internet resource you could use to convert the above to sheet music.